Colour

#042C82

#042C82
Blue
Dark
Nearest: Midnight blue

#042C82 is a blue with RGB values 4, 44, 130 and HSL 221°, 94%, 26%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#042C82#042C82

HEX#042C82

RGBrgb(4, 44, 130)

RGB (0–1)0.0157, 0.1725, 0.5098

RGB percentages1.6%, 17.3%, 51%

HSLhsl(221, 94%, 26.3%)

HSV / HSBhsv(221, 96.9%, 51%)

CMYK96.9%, 66.2%, 0%, 49%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer273,538

CSS custom property--colour: #042C82;

Brightness & contrast

Relative luminance0.03439WCAG 2.x, 0 is black and 1 is white

Perceived brightness55.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.44:1

Contrast with white12.44:1WCAG normal text: AAA

Contrast with black1.69:1WCAG normal text: Fail

Greyscale equivalent#2A2A2A

Inverted#FBD37D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#003A85no red cones; affects about 1% of men; ΔE 11.1 from the original

Deuteranopia#002E80no green cones; the most common form, about 1% of men; ΔE 3 from the original

Tritanopia#004352no blue cones; rare, and affects men and women equally; ΔE 52.7 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text12.44:1WCAG large text: AAA

Contrast with black, large text1.69:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 9.5 Dark slateblue · ΔE 13.2 Rebecca purple · ΔE 21.9 Slate blue · ΔE 27 Indigo · ΔE 27.3 Navy · ΔE 28

Nearest named CSS colourMidnight blue (#191970)ΔE 9.49, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#825A04

Analogous#046B82, #1B0482

Triadic#82042C, #2C8204

Split complementary#821B04, #6B8204

Tetradic#82046B, #825A04, #04821B

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#588BFA

Lighter +30%#2769F8

Lighter +20%#074DE5

Lighter +10%#063DB3

Darker −10%#021B51

Darker −20%#010B1F

Darker −30%#000000

Darker −40%#000000

More saturated +25%#002B86

Less saturated −25%#153271

Channel breakdown

G44

B130

Red4 (1.6%)

Green44 (17.3%)

Blue130 (51%)

Hue220.95°

Saturation (HSL)94.03%

Lightness26.27%

Dominant channelBlue

Hex per channelR 04 · G 2C · B 82

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#042C82

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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